CA1207607A - Hydrophilized membrane of porous hydrophobic material and process of producing same - Google Patents

Hydrophilized membrane of porous hydrophobic material and process of producing same

Info

Publication number
CA1207607A
CA1207607A CA000432841A CA432841A CA1207607A CA 1207607 A CA1207607 A CA 1207607A CA 000432841 A CA000432841 A CA 000432841A CA 432841 A CA432841 A CA 432841A CA 1207607 A CA1207607 A CA 1207607A
Authority
CA
Canada
Prior art keywords
membrane
polyethylene glycol
liquid
micropores
alcohol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000432841A
Other languages
English (en)
French (fr)
Inventor
Hikaru Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Senko Medical Instrument Manufacturing Co Ltd
Mitsubishi Rayon Co Ltd
Original Assignee
Senko Medical Instrument Manufacturing Co Ltd
Mitsubishi Rayon Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15137995&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1207607(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Senko Medical Instrument Manufacturing Co Ltd, Mitsubishi Rayon Co Ltd filed Critical Senko Medical Instrument Manufacturing Co Ltd
Application granted granted Critical
Publication of CA1207607A publication Critical patent/CA1207607A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers
    • Y10T428/249992—Linear or thermoplastic
    • Y10T428/249993—Hydrocarbon polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA000432841A 1982-08-02 1983-07-20 Hydrophilized membrane of porous hydrophobic material and process of producing same Expired CA1207607A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57-134853 1982-08-02
JP57134853A JPS5924732A (ja) 1982-08-02 1982-08-02 親水化多孔質膜およびその製造方法

Publications (1)

Publication Number Publication Date
CA1207607A true CA1207607A (en) 1986-07-15

Family

ID=15137995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000432841A Expired CA1207607A (en) 1982-08-02 1983-07-20 Hydrophilized membrane of porous hydrophobic material and process of producing same

Country Status (6)

Country Link
US (1) US4501785A (de)
EP (1) EP0100552B2 (de)
JP (1) JPS5924732A (de)
CA (1) CA1207607A (de)
DD (1) DD212649A5 (de)
DE (1) DE3378746D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001222A1 (en) * 1983-09-12 1985-03-28 Memtec Limited Treatment of porous membranes
WO1985002128A1 (en) * 1983-11-07 1985-05-23 Memtec Limited Separating oil emulsions
JPS60232085A (ja) * 1984-04-28 1985-11-18 Kanegafuchi Chem Ind Co Ltd 無菌的濾過方法
JPS61161103A (ja) * 1985-01-10 1986-07-21 Terumo Corp 親水性多孔質膜およびその製法
US4814083A (en) * 1985-03-06 1989-03-21 Memtec Limited Altering pore size distributions
JPS61236615A (ja) * 1985-04-10 1986-10-21 Sumitomo Metal Mining Co Ltd 核燃料スクラツプからウランを回収する方法
US4839296A (en) * 1985-10-18 1989-06-13 Chem-Elec, Inc. Blood plasma test method
US4774132A (en) * 1986-05-01 1988-09-27 Pall Corporation Polyvinylidene difluoride structure
JPH0669364B2 (ja) * 1986-07-09 1994-09-07 旭メデイカル株式会社 細胞培養用中空糸膜及び細胞培養器
US5000848A (en) * 1987-01-28 1991-03-19 Membrex, Inc. Rotary filtration device with hyperphilic membrane
US4906379A (en) * 1987-01-28 1990-03-06 Membrex, Inc. Hydrophilic article and method of producing same
US4904234A (en) * 1987-06-29 1990-02-27 Ube Industries Apparatus for collecting plasma
DE3814326A1 (de) * 1988-04-28 1989-11-09 Akzo Gmbh Verfahren zur modifizierung von cellulosischen dialysemembranen zur verbesserung der biocompatibilitaet und vorrichtung zur durchfuehrung des verfahrens
DE10018309A1 (de) * 2000-04-13 2001-10-25 Daimler Chrysler Ag Intermediale Schicht und Verfahren zu deren Herstellung
US20040140259A1 (en) * 2003-01-20 2004-07-22 Cummings James A. Membrane flux enhancement
US20050147757A1 (en) * 2004-01-07 2005-07-07 Roh Il J. Method for wetting hydrophobic porous polymeric membranes to improve water flux without alcohol treatment
DE102005013198B4 (de) * 2005-03-16 2007-07-19 BAM Bundesanstalt für Materialforschung und -prüfung Optochemische Sensormembran und Verfahren zur Herstellung
JP5151152B2 (ja) * 2006-03-29 2013-02-27 栗田工業株式会社 ナノろ過膜又は逆浸透膜の阻止率向上剤、阻止率向上方法、ナノろ過膜又は逆浸透膜、水処理方法、及び、水処理装置
JP2009022886A (ja) * 2007-07-19 2009-02-05 Kurita Water Ind Ltd 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置
US9149749B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US11090590B2 (en) 2012-11-13 2021-08-17 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US9149748B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Multi-layered filter media
US10399024B2 (en) 2014-05-15 2019-09-03 Hollingsworth & Vose Company Surface modified filter media
US10195542B2 (en) 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media
JP6464194B2 (ja) * 2014-05-23 2019-02-06 ランクセス・ドイチュランド・ゲーエムベーハー １０００ｇ／ｍｏｌ未満の平均分子量カットオフ値を有する濾過膜の調製
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
US10625196B2 (en) 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA981991A (en) * 1971-01-14 1976-01-20 Celanese Corporation Hydrophilic microporous film
US3795720A (en) * 1972-03-17 1974-03-05 Kimberly Clark Co Method of producing a low density composite sheet material
GB1431946A (en) * 1972-05-12 1976-04-14 Standard Oil Co Process for separation of unsaturated hydrocarbons
GB1538810A (en) * 1976-08-10 1979-01-24 Sumitomo Electric Industries Hydrophilic porous fluorocarbon structures and process for their production
JPS5380378A (en) * 1976-12-27 1978-07-15 Sumitomo Electric Ind Ltd Hydrophilising method of membrane
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
JPS5832167B2 (ja) * 1978-11-18 1983-07-11 工業技術院長 親水性内部表面を持つ多孔質高分子複合体及びその製法
US4280970A (en) * 1979-01-19 1981-07-28 Puropore Inc. Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
JPS55136462A (en) * 1979-04-10 1980-10-24 Hitachi Maxell Ltd Alkaline storage battery
JPS56157437A (en) * 1980-05-07 1981-12-04 Sumitomo Electric Ind Ltd Preparation of hydrophilic porous structure
DE3069709D1 (en) * 1980-09-01 1985-01-10 Gambro Inc Dry polycarbonate membrane and process of manufacture

Also Published As

Publication number Publication date
EP0100552B1 (de) 1988-12-28
EP0100552B2 (de) 1991-10-23
DD212649A5 (de) 1984-08-22
JPS5924732A (ja) 1984-02-08
DE3378746D1 (en) 1989-02-02
US4501785A (en) 1985-02-26
EP0100552A3 (en) 1985-05-02
EP0100552A2 (de) 1984-02-15
JPH0364544B2 (de) 1991-10-07

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